array decay

Avoiding Pitfalls in C Language Arrays: Array Decay and Safe Macros

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Avoiding Pitfalls in C Language Arrays: Array Decay and Safe Macros

Table of Contents 1. Introduction 2. Common Solutions: Basic Form of Macros 3. Dangerous Macros 4. The Real Reason: Array Decay 5. Solution – Enhanced Macros 6. Conclusion: From Usable to Robust 1. Introduction In our daily embedded development, arrays are a data structure we cannot avoid. Whether defining a buffer or a configuration table, … Read more

Understanding Array Decay to Pointers in C Language (Part 1)

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Understanding Array Decay to Pointers in C Language (Part 1)

Array Decay Rules：In most cases, the name of an array is implicitly converted (or referred to as “decay”) to a pointer to its first element. This behavior is specified by the language standard.★ 1. Cases Where Arrays Convert to Pointers 1.1 Array Name as Function Parameter When an array is passed as a function parameter, … Read more